Adapter



FIG. 1 is a front elevational view of an adapter showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines in the figures illustrate portions of the adapter thatform no part of the claimed design.

CLAIM The ornamental design for an adapter, as shown and described.